38169349 has 4 divisors (see below), whose sum is σ = 38340736. Its totient is φ = 37997964.

The previous prime is 38169343. The next prime is 38169359. The reversal of 38169349 is 94396183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94396183 = 7 ⋅13485169.

It is a cyclic number.

It is not a de Polignac number, because 38169349 - 2⁵ = 38169317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38169343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85359 + ... + 85804.

It is an arithmetic number, because the mean of its divisors is an integer number (9585184).

Almost surely, 2^38169349 is an apocalyptic number.

It is an amenable number.

38169349 is a deficient number, since it is larger than the sum of its proper divisors (171387).

38169349 is a wasteful number, since it uses less digits than its factorization.

38169349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171386.

The product of its digits is 139968, while the sum is 43.

The square root of 38169349 is about 6178.1347508775. The cubic root of 38169349 is about 336.6962279481.

The spelling of 38169349 in words is "thirty-eight million, one hundred sixty-nine thousand, three hundred forty-nine".